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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: Int J Mass Spectrom. 2015 Feb 1;377:617–624. doi: 10.1016/j.ijms.2014.06.023

Figure 8. Sequence coverage of the N- and C-terminus of apomyoglobin following derivatization.

Figure 8

(A) 200–1700 m/z subsection of an ETD/IIPT MS/MS spectrum of apomyoglobin derivatized with aminoethylbenzimidazole. Observed z-ions are indicated. (B) 250–1000 m/z subsection of an ETD/IIPT MS/MS spectrum of apomyoglobin derivatized with DTSSP-maleimide. Observed c- and z-ions are indicated. Labeled amino acid residues are indicated by an asterisk. ¥ denotes fragment ions not carrying a covalent label.